<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: SchemaGeneratorTask.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.ant;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.io.BufferedInputStream;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.io.BufferedOutputStream;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import java.io.File;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.io.FileInputStream;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import java.io.FileOutputStream;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import java.io.IOException;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.util.HashSet;<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>import org.apache.tools.ant.AntClassLoader;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import org.apache.tools.ant.BuildException;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import org.apache.tools.ant.Task;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.tools.ant.types.Path;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.tools.ant.types.Reference;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.jsimpledb.DefaultStorageIdGenerator;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.jsimpledb.JSimpleDBFactory;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.jsimpledb.StorageIdGenerator;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.jsimpledb.annotation.JFieldType;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.jsimpledb.core.Database;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.jsimpledb.core.FieldType;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.jsimpledb.kv.simple.SimpleKVDatabase;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.jsimpledb.schema.SchemaModel;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.jsimpledb.spring.JSimpleDBClassScanner;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.jsimpledb.spring.JSimpleDBFieldTypeScanner;<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span>/**<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Ant task for schema XML generation and/or verification.<a name="line.35"></a>
<span class="sourceLineNo">036</span> *<a name="line.36"></a>
<span class="sourceLineNo">037</span> * &lt;p&gt;<a name="line.37"></a>
<span class="sourceLineNo">038</span> * This task scans the configured classpath for classes with {@link org.jsimpledb.annotation.JSimpleClass &amp;#64;JSimpleClass}<a name="line.38"></a>
<span class="sourceLineNo">039</span> * and {@link org.jsimpledb.annotation.JFieldType &amp;#64;JFieldType} annotations and either writes the generated schema<a name="line.39"></a>
<span class="sourceLineNo">040</span> * to an XML file, or verifies the schema from an existing XML file.<a name="line.40"></a>
<span class="sourceLineNo">041</span> * &lt;/p&gt;<a name="line.41"></a>
<span class="sourceLineNo">042</span> *<a name="line.42"></a>
<span class="sourceLineNo">043</span> * &lt;p&gt;<a name="line.43"></a>
<span class="sourceLineNo">044</span> * The following tasks are supported:<a name="line.44"></a>
<span class="sourceLineNo">045</span> * &lt;/p&gt;<a name="line.45"></a>
<span class="sourceLineNo">046</span> *<a name="line.46"></a>
<span class="sourceLineNo">047</span> * &lt;div style="margin-left: 20px;"&gt;<a name="line.47"></a>
<span class="sourceLineNo">048</span> * &lt;table border="1" cellpadding="3" cellspacing="0" summary="Supported Tasks"&gt;<a name="line.48"></a>
<span class="sourceLineNo">049</span> * &lt;tr style="bgcolor:#ccffcc"&gt;<a name="line.49"></a>
<span class="sourceLineNo">050</span> *  &lt;th align="left"&gt;Attribute&lt;/th&gt;<a name="line.50"></a>
<span class="sourceLineNo">051</span> *  &lt;th align="left"&gt;Required?&lt;/th&gt;<a name="line.51"></a>
<span class="sourceLineNo">052</span> *  &lt;th align="left"&gt;Description&lt;/th&gt;<a name="line.52"></a>
<span class="sourceLineNo">053</span> * &lt;/tr&gt;<a name="line.53"></a>
<span class="sourceLineNo">054</span> * &lt;tr&gt;<a name="line.54"></a>
<span class="sourceLineNo">055</span> *  &lt;td&gt;{@code mode}&lt;/td&gt;<a name="line.55"></a>
<span class="sourceLineNo">056</span> *  &lt;td&gt;No&lt;/td&gt;<a name="line.56"></a>
<span class="sourceLineNo">057</span> *  &lt;td&gt;<a name="line.57"></a>
<span class="sourceLineNo">058</span> *      &lt;p&gt;<a name="line.58"></a>
<span class="sourceLineNo">059</span> *      Set to {@code generate} to generate a new XML file, or {@code verify} to verify an existing XML file.<a name="line.59"></a>
<span class="sourceLineNo">060</span> *      &lt;/p&gt;<a name="line.60"></a>
<span class="sourceLineNo">061</span> *<a name="line.61"></a>
<span class="sourceLineNo">062</span> *      &lt;p&gt;<a name="line.62"></a>
<span class="sourceLineNo">063</span> *      Default is {@code verify}.<a name="line.63"></a>
<span class="sourceLineNo">064</span> *      &lt;/p&gt;<a name="line.64"></a>
<span class="sourceLineNo">065</span> * &lt;/td&gt;<a name="line.65"></a>
<span class="sourceLineNo">066</span> * &lt;/tr&gt;<a name="line.66"></a>
<span class="sourceLineNo">067</span> * &lt;tr&gt;<a name="line.67"></a>
<span class="sourceLineNo">068</span> *  &lt;td&gt;{@code file}&lt;/td&gt;<a name="line.68"></a>
<span class="sourceLineNo">069</span> *  &lt;td&gt;Yes&lt;/td&gt;<a name="line.69"></a>
<span class="sourceLineNo">070</span> *  &lt;td&gt;<a name="line.70"></a>
<span class="sourceLineNo">071</span> *      &lt;p&gt;<a name="line.71"></a>
<span class="sourceLineNo">072</span> *      The XML file to generate or verify.<a name="line.72"></a>
<span class="sourceLineNo">073</span> *      &lt;/p&gt;<a name="line.73"></a>
<span class="sourceLineNo">074</span> * &lt;/td&gt;<a name="line.74"></a>
<span class="sourceLineNo">075</span> * &lt;/tr&gt;<a name="line.75"></a>
<span class="sourceLineNo">076</span> * &lt;tr&gt;<a name="line.76"></a>
<span class="sourceLineNo">077</span> *  &lt;td&gt;{@code matchNames}&lt;/td&gt;<a name="line.77"></a>
<span class="sourceLineNo">078</span> *  &lt;td&gt;No&lt;/td&gt;<a name="line.78"></a>
<span class="sourceLineNo">079</span> *  &lt;td&gt;<a name="line.79"></a>
<span class="sourceLineNo">080</span> *      &lt;p&gt;<a name="line.80"></a>
<span class="sourceLineNo">081</span> *      Whether to verify not only schema compatibility but also that the two schemas are identical, i.e.,<a name="line.81"></a>
<span class="sourceLineNo">082</span> *      the same names are used for object types, fields, and composite indexes.<a name="line.82"></a>
<span class="sourceLineNo">083</span> *      &lt;/p&gt;<a name="line.83"></a>
<span class="sourceLineNo">084</span> *<a name="line.84"></a>
<span class="sourceLineNo">085</span> *      &lt;p&gt;<a name="line.85"></a>
<span class="sourceLineNo">086</span> *      Two schemas that are equivalent except for names are considered compatible, because the core API uses<a name="line.86"></a>
<span class="sourceLineNo">087</span> *      storage ID's, not names. However, if names change then some JSimpleDB layer operations, such as index<a name="line.87"></a>
<span class="sourceLineNo">088</span> *      queries and reference path inversion, may need to be updated.<a name="line.88"></a>
<span class="sourceLineNo">089</span> *      &lt;/p&gt;<a name="line.89"></a>
<span class="sourceLineNo">090</span> *<a name="line.90"></a>
<span class="sourceLineNo">091</span> *      &lt;p&gt;<a name="line.91"></a>
<span class="sourceLineNo">092</span> *      Default is {@code true}. Ignored unless {@code mode} is {@code verify}.<a name="line.92"></a>
<span class="sourceLineNo">093</span> *      &lt;/p&gt;<a name="line.93"></a>
<span class="sourceLineNo">094</span> * &lt;/td&gt;<a name="line.94"></a>
<span class="sourceLineNo">095</span> * &lt;/tr&gt;<a name="line.95"></a>
<span class="sourceLineNo">096</span> * &lt;tr&gt;<a name="line.96"></a>
<span class="sourceLineNo">097</span> *  &lt;td&gt;{@code failOnError}&lt;/td&gt;<a name="line.97"></a>
<span class="sourceLineNo">098</span> *  &lt;td&gt;No&lt;/td&gt;<a name="line.98"></a>
<span class="sourceLineNo">099</span> *  &lt;td&gt;<a name="line.99"></a>
<span class="sourceLineNo">100</span> *      &lt;p&gt;<a name="line.100"></a>
<span class="sourceLineNo">101</span> *      Whether to fail if verification fails.<a name="line.101"></a>
<span class="sourceLineNo">102</span> *      &lt;/p&gt;<a name="line.102"></a>
<span class="sourceLineNo">103</span> *<a name="line.103"></a>
<span class="sourceLineNo">104</span> *      &lt;p&gt;<a name="line.104"></a>
<span class="sourceLineNo">105</span> *      Default is {@code true}. Ignored unless {@code mode} is {@code verify}.<a name="line.105"></a>
<span class="sourceLineNo">106</span> *      &lt;/p&gt;<a name="line.106"></a>
<span class="sourceLineNo">107</span> * &lt;/td&gt;<a name="line.107"></a>
<span class="sourceLineNo">108</span> * &lt;/tr&gt;<a name="line.108"></a>
<span class="sourceLineNo">109</span> * &lt;tr&gt;<a name="line.109"></a>
<span class="sourceLineNo">110</span> *  &lt;td&gt;{@code verifiedProperty}&lt;/td&gt;<a name="line.110"></a>
<span class="sourceLineNo">111</span> *  &lt;td&gt;No&lt;/td&gt;<a name="line.111"></a>
<span class="sourceLineNo">112</span> *  &lt;td&gt;<a name="line.112"></a>
<span class="sourceLineNo">113</span> *      &lt;p&gt;<a name="line.113"></a>
<span class="sourceLineNo">114</span> *      The name of an ant property to set to {@code true} or {@code false} depending on whether<a name="line.114"></a>
<span class="sourceLineNo">115</span> *      verification succeeded or failed. Useful when {@code failOnError} is set to {@code false}<a name="line.115"></a>
<span class="sourceLineNo">116</span> *      and you want to handle the failure elsewhere in the build file.<a name="line.116"></a>
<span class="sourceLineNo">117</span> *      &lt;/p&gt;<a name="line.117"></a>
<span class="sourceLineNo">118</span> *<a name="line.118"></a>
<span class="sourceLineNo">119</span> *      &lt;p&gt;<a name="line.119"></a>
<span class="sourceLineNo">120</span> *      Default is to not set any property.<a name="line.120"></a>
<span class="sourceLineNo">121</span> *      &lt;/p&gt;<a name="line.121"></a>
<span class="sourceLineNo">122</span> * &lt;/td&gt;<a name="line.122"></a>
<span class="sourceLineNo">123</span> * &lt;/tr&gt;<a name="line.123"></a>
<span class="sourceLineNo">124</span> * &lt;tr&gt;<a name="line.124"></a>
<span class="sourceLineNo">125</span> *  &lt;td&gt;{@code classpath} or {@code classpathref}&lt;/td&gt;<a name="line.125"></a>
<span class="sourceLineNo">126</span> *  &lt;td&gt;Yes&lt;/td&gt;<a name="line.126"></a>
<span class="sourceLineNo">127</span> *  &lt;td&gt;<a name="line.127"></a>
<span class="sourceLineNo">128</span> *      &lt;p&gt;<a name="line.128"></a>
<span class="sourceLineNo">129</span> *      Specifies the search path for classes with {@link org.jsimpledb.annotation.JSimpleClass &amp;#64;JSimpleClass}<a name="line.129"></a>
<span class="sourceLineNo">130</span> *      annotations.<a name="line.130"></a>
<span class="sourceLineNo">131</span> *      &lt;/p&gt;<a name="line.131"></a>
<span class="sourceLineNo">132</span> * &lt;/td&gt;<a name="line.132"></a>
<span class="sourceLineNo">133</span> * &lt;/tr&gt;<a name="line.133"></a>
<span class="sourceLineNo">134</span> * &lt;tr&gt;<a name="line.134"></a>
<span class="sourceLineNo">135</span> *  &lt;td&gt;{@code packages}&lt;/td&gt;<a name="line.135"></a>
<span class="sourceLineNo">136</span> *  &lt;td&gt;Yes&lt;/td&gt;<a name="line.136"></a>
<span class="sourceLineNo">137</span> *  &lt;td&gt;<a name="line.137"></a>
<span class="sourceLineNo">138</span> *      &lt;p&gt;<a name="line.138"></a>
<span class="sourceLineNo">139</span> *      Specifies one or more Java package names (separated by commas and/or whitespace) under which to look<a name="line.139"></a>
<span class="sourceLineNo">140</span> *      for classes with {@link org.jsimpledb.annotation.JSimpleClass &amp;#64;JSimpleClass}<a name="line.140"></a>
<span class="sourceLineNo">141</span> *      and {@link org.jsimpledb.annotation.JFieldType &amp;#64;JFieldType} annotations.<a name="line.141"></a>
<span class="sourceLineNo">142</span> *      &lt;/p&gt;<a name="line.142"></a>
<span class="sourceLineNo">143</span> * &lt;/td&gt;<a name="line.143"></a>
<span class="sourceLineNo">144</span> * &lt;/tr&gt;<a name="line.144"></a>
<span class="sourceLineNo">145</span> * &lt;tr&gt;<a name="line.145"></a>
<span class="sourceLineNo">146</span> *  &lt;td&gt;{@code storageIdGeneratorClass}&lt;/td&gt;<a name="line.146"></a>
<span class="sourceLineNo">147</span> *  &lt;td&gt;No&lt;/td&gt;<a name="line.147"></a>
<span class="sourceLineNo">148</span> *  &lt;td&gt;<a name="line.148"></a>
<span class="sourceLineNo">149</span> *      &lt;p&gt;<a name="line.149"></a>
<span class="sourceLineNo">150</span> *      Specifies the name of an optional custom {@link StorageIdGenerator} class.<a name="line.150"></a>
<span class="sourceLineNo">151</span> *      &lt;/p&gt;<a name="line.151"></a>
<span class="sourceLineNo">152</span> *<a name="line.152"></a>
<span class="sourceLineNo">153</span> *      &lt;p&gt;<a name="line.153"></a>
<span class="sourceLineNo">154</span> *      By default, a {@link DefaultStorageIdGenerator} is used.<a name="line.154"></a>
<span class="sourceLineNo">155</span> *      &lt;/p&gt;<a name="line.155"></a>
<span class="sourceLineNo">156</span> * &lt;/td&gt;<a name="line.156"></a>
<span class="sourceLineNo">157</span> * &lt;/tr&gt;<a name="line.157"></a>
<span class="sourceLineNo">158</span> * &lt;/table&gt;<a name="line.158"></a>
<span class="sourceLineNo">159</span> * &lt;/div&gt;<a name="line.159"></a>
<span class="sourceLineNo">160</span> *<a name="line.160"></a>
<span class="sourceLineNo">161</span> * &lt;p&gt;<a name="line.161"></a>
<span class="sourceLineNo">162</span> * Example:<a name="line.162"></a>
<span class="sourceLineNo">163</span> * &lt;pre&gt;<a name="line.163"></a>
<span class="sourceLineNo">164</span> *  &amp;lt;project xmlns:jsimpledb="urn:org.dellroad.jsimpledb" ... &amp;gt;<a name="line.164"></a>
<span class="sourceLineNo">165</span> *      ...<a name="line.165"></a>
<span class="sourceLineNo">166</span> *      &amp;lt;taskdef uri="urn:org.dellroad.jsimpledb" name="schema"<a name="line.166"></a>
<span class="sourceLineNo">167</span> *        classname="org.jsimpledb.ant.SchemaGeneratorTask" classpathref="jsimpledb.classpath"/&amp;gt;<a name="line.167"></a>
<span class="sourceLineNo">168</span> *      &amp;lt;jsimpledb:schema mode="verify" classpathref="myclasses.classpath"<a name="line.168"></a>
<span class="sourceLineNo">169</span> *        file="expected-schema.xml" packages="com.example.model"/&amp;gt;<a name="line.169"></a>
<span class="sourceLineNo">170</span> * &lt;/pre&gt;<a name="line.170"></a>
<span class="sourceLineNo">171</span> *<a name="line.171"></a>
<span class="sourceLineNo">172</span> * @see org.jsimpledb.JSimpleDB<a name="line.172"></a>
<span class="sourceLineNo">173</span> * @see org.jsimpledb.schema.SchemaModel<a name="line.173"></a>
<span class="sourceLineNo">174</span> */<a name="line.174"></a>
<span class="sourceLineNo">175</span>public class SchemaGeneratorTask extends Task {<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span>    public static final String MODE_VERIFY = "verify";<a name="line.177"></a>
<span class="sourceLineNo">178</span>    public static final String MODE_GENERATE = "generate";<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span>    private String[] packages;<a name="line.180"></a>
<span class="sourceLineNo">181</span>    private String mode = MODE_VERIFY;<a name="line.181"></a>
<span class="sourceLineNo">182</span>    private boolean matchNames = true;<a name="line.182"></a>
<span class="sourceLineNo">183</span>    private boolean failOnError = true;<a name="line.183"></a>
<span class="sourceLineNo">184</span>    private String verifiedProperty;<a name="line.184"></a>
<span class="sourceLineNo">185</span>    private File file;<a name="line.185"></a>
<span class="sourceLineNo">186</span>    private Path classPath;<a name="line.186"></a>
<span class="sourceLineNo">187</span>    private String storageIdGeneratorClassName = DefaultStorageIdGenerator.class.getName();<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>    public void setPackages(String packages) {<a name="line.189"></a>
<span class="sourceLineNo">190</span>        this.packages = packages.split("[\\s,]");<a name="line.190"></a>
<span class="sourceLineNo">191</span>    }<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span>    public void setMode(String mode) {<a name="line.193"></a>
<span class="sourceLineNo">194</span>        this.mode = mode;<a name="line.194"></a>
<span class="sourceLineNo">195</span>    }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span>    public void setMatchNames(boolean matchNames) {<a name="line.197"></a>
<span class="sourceLineNo">198</span>        this.matchNames = matchNames;<a name="line.198"></a>
<span class="sourceLineNo">199</span>    }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span>    public void setFailOnError(boolean failOnError) {<a name="line.201"></a>
<span class="sourceLineNo">202</span>        this.failOnError = failOnError;<a name="line.202"></a>
<span class="sourceLineNo">203</span>    }<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span>    public void setVerifiedProperty(String verifiedProperty) {<a name="line.205"></a>
<span class="sourceLineNo">206</span>        this.verifiedProperty = verifiedProperty;<a name="line.206"></a>
<span class="sourceLineNo">207</span>    }<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span>    public void setFile(File file) {<a name="line.209"></a>
<span class="sourceLineNo">210</span>        this.file = file;<a name="line.210"></a>
<span class="sourceLineNo">211</span>    }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span>    public Path createClasspath() {<a name="line.213"></a>
<span class="sourceLineNo">214</span>        this.classPath = new Path(this.getProject());<a name="line.214"></a>
<span class="sourceLineNo">215</span>        return this.classPath;<a name="line.215"></a>
<span class="sourceLineNo">216</span>    }<a name="line.216"></a>
<span class="sourceLineNo">217</span><a name="line.217"></a>
<span class="sourceLineNo">218</span>    public void setClasspath(Path classPath) {<a name="line.218"></a>
<span class="sourceLineNo">219</span>        this.classPath = classPath;<a name="line.219"></a>
<span class="sourceLineNo">220</span>    }<a name="line.220"></a>
<span class="sourceLineNo">221</span><a name="line.221"></a>
<span class="sourceLineNo">222</span>    public void setClasspathRef(Reference ref) {<a name="line.222"></a>
<span class="sourceLineNo">223</span>        this.classPath = (Path)ref.getReferencedObject(this.getProject());<a name="line.223"></a>
<span class="sourceLineNo">224</span>    }<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span>    public void setStorageIdGeneratorClass(String storageIdGeneratorClassName) {<a name="line.226"></a>
<span class="sourceLineNo">227</span>        this.storageIdGeneratorClassName = storageIdGeneratorClassName;<a name="line.227"></a>
<span class="sourceLineNo">228</span>    }<a name="line.228"></a>
<span class="sourceLineNo">229</span><a name="line.229"></a>
<span class="sourceLineNo">230</span>    /**<a name="line.230"></a>
<span class="sourceLineNo">231</span>     * @throws BuildException if operation fails<a name="line.231"></a>
<span class="sourceLineNo">232</span>     */<a name="line.232"></a>
<span class="sourceLineNo">233</span>    @Override<a name="line.233"></a>
<span class="sourceLineNo">234</span>    public void execute() {<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span>        // Sanity check<a name="line.236"></a>
<span class="sourceLineNo">237</span>        if (this.file == null)<a name="line.237"></a>
<span class="sourceLineNo">238</span>            throw new BuildException("`file' attribute is required specifying output/verify file");<a name="line.238"></a>
<span class="sourceLineNo">239</span>        final boolean generate;<a name="line.239"></a>
<span class="sourceLineNo">240</span>        switch (this.mode) {<a name="line.240"></a>
<span class="sourceLineNo">241</span>        case MODE_VERIFY:<a name="line.241"></a>
<span class="sourceLineNo">242</span>            generate = false;<a name="line.242"></a>
<span class="sourceLineNo">243</span>            break;<a name="line.243"></a>
<span class="sourceLineNo">244</span>        case MODE_GENERATE:<a name="line.244"></a>
<span class="sourceLineNo">245</span>            generate = true;<a name="line.245"></a>
<span class="sourceLineNo">246</span>            break;<a name="line.246"></a>
<span class="sourceLineNo">247</span>        default:<a name="line.247"></a>
<span class="sourceLineNo">248</span>            throw new BuildException("`mode' attribute must be one of `" + MODE_VERIFY + "' or `" + MODE_GENERATE + "'");<a name="line.248"></a>
<span class="sourceLineNo">249</span>        }<a name="line.249"></a>
<span class="sourceLineNo">250</span>        if (this.packages == null)<a name="line.250"></a>
<span class="sourceLineNo">251</span>            throw new BuildException("`packages' attribute is required specifying packages to scan for Java model classes");<a name="line.251"></a>
<span class="sourceLineNo">252</span>        if (this.classPath == null)<a name="line.252"></a>
<span class="sourceLineNo">253</span>            throw new BuildException("`classpath' attribute is required specifying search path for scanned classes");<a name="line.253"></a>
<span class="sourceLineNo">254</span><a name="line.254"></a>
<span class="sourceLineNo">255</span>        // Create directory containing file<a name="line.255"></a>
<span class="sourceLineNo">256</span>        if (generate &amp;&amp; this.file.getParent() != null &amp;&amp; !this.file.getParentFile().exists() &amp;&amp; !this.file.getParentFile().mkdirs())<a name="line.256"></a>
<span class="sourceLineNo">257</span>            throw new BuildException("error creating directory `" + this.file.getParentFile() + "'");<a name="line.257"></a>
<span class="sourceLineNo">258</span><a name="line.258"></a>
<span class="sourceLineNo">259</span>        // Set up mysterious classloader stuff<a name="line.259"></a>
<span class="sourceLineNo">260</span>        final AntClassLoader loader = this.getProject().createClassLoader(this.classPath);<a name="line.260"></a>
<span class="sourceLineNo">261</span>        final ClassLoader currentLoader = this.getClass().getClassLoader();<a name="line.261"></a>
<span class="sourceLineNo">262</span>        if (currentLoader != null)<a name="line.262"></a>
<span class="sourceLineNo">263</span>            loader.setParent(currentLoader);<a name="line.263"></a>
<span class="sourceLineNo">264</span>        loader.setThreadContextLoader();<a name="line.264"></a>
<span class="sourceLineNo">265</span>        try {<a name="line.265"></a>
<span class="sourceLineNo">266</span><a name="line.266"></a>
<span class="sourceLineNo">267</span>            // Scan for @JSimpleClass classes<a name="line.267"></a>
<span class="sourceLineNo">268</span>            final HashSet&lt;Class&lt;?&gt;&gt; modelClasses = new HashSet&lt;&gt;();<a name="line.268"></a>
<span class="sourceLineNo">269</span>            for (String className : new JSimpleDBClassScanner().scanForClasses(this.packages)) {<a name="line.269"></a>
<span class="sourceLineNo">270</span>                this.log("adding JSimpleDB schema class " + className);<a name="line.270"></a>
<span class="sourceLineNo">271</span>                try {<a name="line.271"></a>
<span class="sourceLineNo">272</span>                    modelClasses.add(Class.forName(className, false, Thread.currentThread().getContextClassLoader()));<a name="line.272"></a>
<span class="sourceLineNo">273</span>                } catch (ClassNotFoundException e) {<a name="line.273"></a>
<span class="sourceLineNo">274</span>                    throw new BuildException("failed to load class `" + className + "'", e);<a name="line.274"></a>
<span class="sourceLineNo">275</span>                }<a name="line.275"></a>
<span class="sourceLineNo">276</span>            }<a name="line.276"></a>
<span class="sourceLineNo">277</span><a name="line.277"></a>
<span class="sourceLineNo">278</span>            // Scan for @JFieldType classes<a name="line.278"></a>
<span class="sourceLineNo">279</span>            final HashSet&lt;FieldType&lt;?&gt;&gt; fieldTypes = new HashSet&lt;&gt;();<a name="line.279"></a>
<span class="sourceLineNo">280</span>            for (String className : new JSimpleDBFieldTypeScanner().scanForClasses(this.packages)) {<a name="line.280"></a>
<span class="sourceLineNo">281</span>                this.log("adding JSimpleDB field type class " + className);<a name="line.281"></a>
<span class="sourceLineNo">282</span>                try {<a name="line.282"></a>
<span class="sourceLineNo">283</span>                    fieldTypes.add(this.asFieldTypeClass(<a name="line.283"></a>
<span class="sourceLineNo">284</span>                      Class.forName(className, false, Thread.currentThread().getContextClassLoader())).newInstance());<a name="line.284"></a>
<span class="sourceLineNo">285</span>                } catch (Exception e) {<a name="line.285"></a>
<span class="sourceLineNo">286</span>                    throw new BuildException("failed to instantiate class `" + className + "'", e);<a name="line.286"></a>
<span class="sourceLineNo">287</span>                }<a name="line.287"></a>
<span class="sourceLineNo">288</span>            }<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
<span class="sourceLineNo">290</span>            // Instantiate StorageIdGenerator<a name="line.290"></a>
<span class="sourceLineNo">291</span>            final StorageIdGenerator storageIdGenerator;<a name="line.291"></a>
<span class="sourceLineNo">292</span>            try {<a name="line.292"></a>
<span class="sourceLineNo">293</span>                storageIdGenerator = Class.forName(this.storageIdGeneratorClassName,<a name="line.293"></a>
<span class="sourceLineNo">294</span>                  false, Thread.currentThread().getContextClassLoader()).asSubclass(StorageIdGenerator.class).newInstance();<a name="line.294"></a>
<span class="sourceLineNo">295</span>            } catch (Exception e) {<a name="line.295"></a>
<span class="sourceLineNo">296</span>                throw new BuildException("failed to instantiate class `" + storageIdGeneratorClassName + "'", e);<a name="line.296"></a>
<span class="sourceLineNo">297</span>            }<a name="line.297"></a>
<span class="sourceLineNo">298</span><a name="line.298"></a>
<span class="sourceLineNo">299</span>            // Set up database and configure field type classes<a name="line.299"></a>
<span class="sourceLineNo">300</span>            final Database db = new Database(new SimpleKVDatabase());<a name="line.300"></a>
<span class="sourceLineNo">301</span>            for (FieldType&lt;?&gt; fieldType : fieldTypes) {<a name="line.301"></a>
<span class="sourceLineNo">302</span>                try {<a name="line.302"></a>
<span class="sourceLineNo">303</span>                    db.getFieldTypeRegistry().add(fieldType);<a name="line.303"></a>
<span class="sourceLineNo">304</span>                } catch (Exception e) {<a name="line.304"></a>
<span class="sourceLineNo">305</span>                    throw new BuildException("failed to register custom field type " + fieldType.getClass().getName(), e);<a name="line.305"></a>
<span class="sourceLineNo">306</span>                }<a name="line.306"></a>
<span class="sourceLineNo">307</span>            }<a name="line.307"></a>
<span class="sourceLineNo">308</span><a name="line.308"></a>
<span class="sourceLineNo">309</span>            // Set up factory<a name="line.309"></a>
<span class="sourceLineNo">310</span>            final JSimpleDBFactory factory = new JSimpleDBFactory();<a name="line.310"></a>
<span class="sourceLineNo">311</span>            factory.setDatabase(db);<a name="line.311"></a>
<span class="sourceLineNo">312</span>            factory.setSchemaVersion(1);<a name="line.312"></a>
<span class="sourceLineNo">313</span>            factory.setStorageIdGenerator(storageIdGenerator);<a name="line.313"></a>
<span class="sourceLineNo">314</span>            factory.setModelClasses(modelClasses);<a name="line.314"></a>
<span class="sourceLineNo">315</span><a name="line.315"></a>
<span class="sourceLineNo">316</span>            // Build schema model<a name="line.316"></a>
<span class="sourceLineNo">317</span>            this.log("generating JSimpleDB schema from schema classes");<a name="line.317"></a>
<span class="sourceLineNo">318</span>            final SchemaModel schemaModel;<a name="line.318"></a>
<span class="sourceLineNo">319</span>            try {<a name="line.319"></a>
<span class="sourceLineNo">320</span>                schemaModel = factory.newJSimpleDB().getSchemaModel();<a name="line.320"></a>
<span class="sourceLineNo">321</span>            } catch (Exception e) {<a name="line.321"></a>
<span class="sourceLineNo">322</span>                throw new BuildException("schema generation failed: " + e, e);<a name="line.322"></a>
<span class="sourceLineNo">323</span>            }<a name="line.323"></a>
<span class="sourceLineNo">324</span><a name="line.324"></a>
<span class="sourceLineNo">325</span>            // Verify or generate<a name="line.325"></a>
<span class="sourceLineNo">326</span>            if (generate) {<a name="line.326"></a>
<span class="sourceLineNo">327</span><a name="line.327"></a>
<span class="sourceLineNo">328</span>                // Write schema model to file<a name="line.328"></a>
<span class="sourceLineNo">329</span>                this.log("writing JSimpleDB schema to `" + this.file + "'");<a name="line.329"></a>
<span class="sourceLineNo">330</span>                try (BufferedOutputStream output = new BufferedOutputStream(new FileOutputStream(this.file))) {<a name="line.330"></a>
<span class="sourceLineNo">331</span>                    schemaModel.toXML(output, true);<a name="line.331"></a>
<span class="sourceLineNo">332</span>                } catch (IOException e) {<a name="line.332"></a>
<span class="sourceLineNo">333</span>                    throw new BuildException("error writing schema to `" + this.file + "': " + e, e);<a name="line.333"></a>
<span class="sourceLineNo">334</span>                }<a name="line.334"></a>
<span class="sourceLineNo">335</span>            } else {<a name="line.335"></a>
<span class="sourceLineNo">336</span><a name="line.336"></a>
<span class="sourceLineNo">337</span>                // Read file<a name="line.337"></a>
<span class="sourceLineNo">338</span>                this.log("verifying JSimpleDB schema matches `" + this.file + "'");<a name="line.338"></a>
<span class="sourceLineNo">339</span>                final SchemaModel verifyModel;<a name="line.339"></a>
<span class="sourceLineNo">340</span>                try (BufferedInputStream input = new BufferedInputStream(new FileInputStream(this.file))) {<a name="line.340"></a>
<span class="sourceLineNo">341</span>                    verifyModel = SchemaModel.fromXML(input);<a name="line.341"></a>
<span class="sourceLineNo">342</span>                } catch (IOException e) {<a name="line.342"></a>
<span class="sourceLineNo">343</span>                    throw new BuildException("error reading schema from `" + this.file + "': " + e, e);<a name="line.343"></a>
<span class="sourceLineNo">344</span>                }<a name="line.344"></a>
<span class="sourceLineNo">345</span><a name="line.345"></a>
<span class="sourceLineNo">346</span>                // Compare<a name="line.346"></a>
<span class="sourceLineNo">347</span>                final boolean verified = matchNames ? schemaModel.equals(verifyModel) : schemaModel.isCompatibleWith(verifyModel);<a name="line.347"></a>
<span class="sourceLineNo">348</span>                if (this.verifiedProperty != null)<a name="line.348"></a>
<span class="sourceLineNo">349</span>                    this.getProject().setProperty(this.verifiedProperty, "" + verified);<a name="line.349"></a>
<span class="sourceLineNo">350</span>                this.log("schema verification " + (verified ? "succeeded" : "failed"));<a name="line.350"></a>
<span class="sourceLineNo">351</span>                if (!verified) {<a name="line.351"></a>
<span class="sourceLineNo">352</span>                    this.log(schemaModel.differencesFrom(verifyModel).toString());<a name="line.352"></a>
<span class="sourceLineNo">353</span>                    if (this.failOnError)<a name="line.353"></a>
<span class="sourceLineNo">354</span>                        throw new BuildException("schema verification failed");<a name="line.354"></a>
<span class="sourceLineNo">355</span>                }<a name="line.355"></a>
<span class="sourceLineNo">356</span>            }<a name="line.356"></a>
<span class="sourceLineNo">357</span>        } finally {<a name="line.357"></a>
<span class="sourceLineNo">358</span>            loader.resetThreadContextLoader();<a name="line.358"></a>
<span class="sourceLineNo">359</span>            loader.cleanup();<a name="line.359"></a>
<span class="sourceLineNo">360</span>        }<a name="line.360"></a>
<span class="sourceLineNo">361</span>    }<a name="line.361"></a>
<span class="sourceLineNo">362</span><a name="line.362"></a>
<span class="sourceLineNo">363</span>    @SuppressWarnings("unchecked")<a name="line.363"></a>
<span class="sourceLineNo">364</span>    private Class&lt;? extends FieldType&lt;?&gt;&gt; asFieldTypeClass(Class&lt;?&gt; klass) {<a name="line.364"></a>
<span class="sourceLineNo">365</span>        try {<a name="line.365"></a>
<span class="sourceLineNo">366</span>            return (Class&lt;? extends FieldType&lt;?&gt;&gt;)klass.asSubclass(FieldType.class);<a name="line.366"></a>
<span class="sourceLineNo">367</span>        } catch (ClassCastException e) {<a name="line.367"></a>
<span class="sourceLineNo">368</span>            throw new BuildException("invalid @" + JFieldType.class.getSimpleName() + " annotation on "<a name="line.368"></a>
<span class="sourceLineNo">369</span>              + klass + ": type is not a subclass of " + FieldType.class);<a name="line.369"></a>
<span class="sourceLineNo">370</span>        }<a name="line.370"></a>
<span class="sourceLineNo">371</span>    }<a name="line.371"></a>
<span class="sourceLineNo">372</span>}<a name="line.372"></a>
<span class="sourceLineNo">373</span><a name="line.373"></a>




























































</pre>
</div>
</body>
</html>
